| Middletown to Karlovo | 5,240.44 mi (8,433.68 km) |
| Middletown to Karnobat | 5,323.27 mi (8,566.98 km) |
| Middletown to Kavarna | 5,335.74 mi (8,587.04 km) |
| Middletown to Kazanlak | 5,264.27 mi (8,472.02 km) |
| Middletown to Knezha | 5,174.06 mi (8,326.84 km) |
| Middletown to Kostinbrod | 5,171.53 mi (8,322.78 km) |
| Middletown to Kozloduy | 5,148.03 mi (8,284.96 km) |
| Middletown to Kyustendil | 5,174.64 mi (8,327.77 km) |
| Middletown to Levski | 5,219.86 mi (8,400.55 km) |
| Middletown to Lom | 5,127.29 mi (8,251.57 km) |
| Middletown to Lovech | 5,214.67 mi (8,392.20 km) |
| Middletown to Lukovit | 5,190.76 mi (8,353.72 km) |
| Middletown to Lyaskovets | 5,254.06 mi (8,455.59 km) |
| Middletown to Mezdra | 5,175.18 mi (8,328.65 km) |
| Middletown to Momchilgrad | 5,314.71 mi (8,553.20 km) |
